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| Редакция | Автор | № строки | Строка |
|---|---|---|---|
| 2 | alex-w | 1 | <?php |
| 2 | /** |
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| 3 | * Smarty plugin |
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| 4 | * @package Smarty |
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| 5 | * @subpackage plugins |
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| 6 | */ |
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| 7 | |||
| 8 | |||
| 9 | /** |
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| 10 | * Smarty {fetch} plugin |
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| 11 | * |
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| 12 | * Type: function<br> |
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| 13 | * Name: fetch<br> |
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| 14 | * Purpose: fetch file, web or ftp data and display results |
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| 15 | * @link http://smarty.php.net/manual/en/language.function.fetch.php {fetch} |
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| 16 | * (Smarty online manual) |
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| 17 | * @author Monte Ohrt <monte at ohrt dot com> |
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| 18 | * @param array |
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| 19 | * @param Smarty |
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| 20 | * @return string|null if the assign parameter is passed, Smarty assigns the |
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| 21 | * result to a template variable |
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| 22 | */ |
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| 23 | function smarty_function_fetch($params, &$smarty) |
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| 24 | { |
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| 25 | if (empty($params['file'])) { |
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| 26 | $smarty->_trigger_fatal_error("[plugin] parameter 'file' cannot be empty"); |
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| 27 | return; |
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| 28 | } |
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| 29 | |||
| 30 | $content = ''; |
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| 31 | if ($smarty->security && !preg_match('!^(http|ftp)://!i', $params['file'])) { |
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| 32 | $_params = array('resource_type' => 'file', 'resource_name' => $params['file']); |
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| 33 | require_once(SMARTY_CORE_DIR . 'core.is_secure.php'); |
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| 34 | if(!smarty_core_is_secure($_params, $smarty)) { |
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| 35 | $smarty->_trigger_fatal_error('[plugin] (secure mode) fetch \'' . $params['file'] . '\' is not allowed'); |
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| 36 | return; |
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| 37 | } |
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| 38 | |||
| 39 | // fetch the file |
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| 40 | if($fp = @fopen($params['file'],'r')) { |
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| 41 | while(!feof($fp)) { |
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| 42 | $content .= fgets ($fp,4096); |
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| 43 | } |
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| 44 | fclose($fp); |
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| 45 | } else { |
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| 46 | $smarty->_trigger_fatal_error('[plugin] fetch cannot read file \'' . $params['file'] . '\''); |
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| 47 | return; |
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| 48 | } |
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| 49 | } else { |
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| 50 | // not a local file |
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| 51 | if(preg_match('!^http://!i',$params['file'])) { |
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| 52 | // http fetch |
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| 53 | if($uri_parts = parse_url($params['file'])) { |
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| 54 | // set defaults |
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| 55 | $host = $server_name = $uri_parts['host']; |
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| 56 | $timeout = 30; |
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| 57 | $accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*"; |
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| 58 | $agent = "Smarty Template Engine ".$smarty->_version; |
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| 59 | $referer = ""; |
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| 60 | $uri = !empty($uri_parts['path']) ? $uri_parts['path'] : '/'; |
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| 61 | $uri .= !empty($uri_parts['query']) ? '?' . $uri_parts['query'] : ''; |
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| 62 | $_is_proxy = false; |
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| 63 | if(empty($uri_parts['port'])) { |
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| 64 | $port = 80; |
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| 65 | } else { |
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| 66 | $port = $uri_parts['port']; |
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| 67 | } |
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| 68 | if(!empty($uri_parts['user'])) { |
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| 69 | $user = $uri_parts['user']; |
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| 70 | } |
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| 71 | if(!empty($uri_parts['pass'])) { |
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| 72 | $pass = $uri_parts['pass']; |
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| 73 | } |
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| 74 | // loop through parameters, setup headers |
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| 75 | foreach($params as $param_key => $param_value) { |
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| 76 | switch($param_key) { |
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| 77 | case "file": |
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| 78 | case "assign": |
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| 79 | case "assign_headers": |
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| 80 | break; |
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| 81 | case "user": |
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| 82 | if(!empty($param_value)) { |
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| 83 | $user = $param_value; |
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| 84 | } |
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| 85 | break; |
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| 86 | case "pass": |
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| 87 | if(!empty($param_value)) { |
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| 88 | $pass = $param_value; |
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| 89 | } |
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| 90 | break; |
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| 91 | case "accept": |
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| 92 | if(!empty($param_value)) { |
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| 93 | $accept = $param_value; |
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| 94 | } |
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| 95 | break; |
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| 96 | case "header": |
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| 97 | if(!empty($param_value)) { |
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| 98 | if(!preg_match('![\w\d-]+: .+!',$param_value)) { |
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| 99 | $smarty->_trigger_fatal_error("[plugin] invalid header format '".$param_value."'"); |
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| 100 | return; |
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| 101 | } else { |
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| 102 | $extra_headers[] = $param_value; |
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| 103 | } |
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| 104 | } |
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| 105 | break; |
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| 106 | case "proxy_host": |
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| 107 | if(!empty($param_value)) { |
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| 108 | $proxy_host = $param_value; |
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| 109 | } |
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| 110 | break; |
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| 111 | case "proxy_port": |
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| 112 | if(!preg_match('!\D!', $param_value)) { |
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| 113 | $proxy_port = (int) $param_value; |
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| 114 | } else { |
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| 115 | $smarty->_trigger_fatal_error("[plugin] invalid value for attribute '".$param_key."'"); |
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| 116 | return; |
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| 117 | } |
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| 118 | break; |
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| 119 | case "agent": |
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| 120 | if(!empty($param_value)) { |
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| 121 | $agent = $param_value; |
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| 122 | } |
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| 123 | break; |
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| 124 | case "referer": |
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| 125 | if(!empty($param_value)) { |
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| 126 | $referer = $param_value; |
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| 127 | } |
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| 128 | break; |
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| 129 | case "timeout": |
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| 130 | if(!preg_match('!\D!', $param_value)) { |
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| 131 | $timeout = (int) $param_value; |
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| 132 | } else { |
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| 133 | $smarty->_trigger_fatal_error("[plugin] invalid value for attribute '".$param_key."'"); |
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| 134 | return; |
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| 135 | } |
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| 136 | break; |
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| 137 | default: |
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| 138 | $smarty->_trigger_fatal_error("[plugin] unrecognized attribute '".$param_key."'"); |
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| 139 | return; |
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| 140 | } |
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| 141 | } |
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| 142 | if(!empty($proxy_host) && !empty($proxy_port)) { |
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| 143 | $_is_proxy = true; |
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| 144 | $fp = fsockopen($proxy_host,$proxy_port,$errno,$errstr,$timeout); |
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| 145 | } else { |
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| 146 | $fp = fsockopen($server_name,$port,$errno,$errstr,$timeout); |
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| 147 | } |
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| 148 | |||
| 149 | if(!$fp) { |
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| 150 | $smarty->_trigger_fatal_error("[plugin] unable to fetch: $errstr ($errno)"); |
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| 151 | return; |
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| 152 | } else { |
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| 153 | if($_is_proxy) { |
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| 154 | fputs($fp, 'GET ' . $params['file'] . " HTTP/1.0\r\n"); |
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| 155 | } else { |
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| 156 | fputs($fp, "GET $uri HTTP/1.0\r\n"); |
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| 157 | } |
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| 158 | if(!empty($host)) { |
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| 159 | fputs($fp, "Host: $host\r\n"); |
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| 160 | } |
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| 161 | if(!empty($accept)) { |
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| 162 | fputs($fp, "Accept: $accept\r\n"); |
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| 163 | } |
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| 164 | if(!empty($agent)) { |
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| 165 | fputs($fp, "User-Agent: $agent\r\n"); |
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| 166 | } |
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| 167 | if(!empty($referer)) { |
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| 168 | fputs($fp, "Referer: $referer\r\n"); |
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| 169 | } |
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| 170 | if(isset($extra_headers) && is_array($extra_headers)) { |
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| 171 | foreach($extra_headers as $curr_header) { |
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| 172 | fputs($fp, $curr_header."\r\n"); |
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| 173 | } |
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| 174 | } |
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| 175 | if(!empty($user) && !empty($pass)) { |
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| 176 | fputs($fp, "Authorization: BASIC ".base64_encode("$user:$pass")."\r\n"); |
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| 177 | } |
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| 178 | |||
| 179 | fputs($fp, "\r\n"); |
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| 180 | while(!feof($fp)) { |
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| 181 | $content .= fgets($fp,4096); |
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| 182 | } |
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| 183 | fclose($fp); |
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| 184 | $csplit = split("\r\n\r\n",$content,2); |
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| 185 | |||
| 186 | $content = $csplit[1]; |
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| 187 | |||
| 188 | if(!empty($params['assign_headers'])) { |
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| 189 | $smarty->assign($params['assign_headers'],split("\r\n",$csplit[0])); |
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| 190 | } |
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| 191 | } |
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| 192 | } else { |
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| 193 | $smarty->_trigger_fatal_error("[plugin] unable to parse URL, check syntax"); |
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| 194 | return; |
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| 195 | } |
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| 196 | } else { |
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| 197 | // ftp fetch |
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| 198 | if($fp = @fopen($params['file'],'r')) { |
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| 199 | while(!feof($fp)) { |
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| 200 | $content .= fgets ($fp,4096); |
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| 201 | } |
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| 202 | fclose($fp); |
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| 203 | } else { |
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| 204 | $smarty->_trigger_fatal_error('[plugin] fetch cannot read file \'' . $params['file'] .'\''); |
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| 205 | return; |
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| 206 | } |
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| 207 | } |
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| 208 | |||
| 209 | } |
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| 210 | |||
| 211 | |||
| 212 | if (!empty($params['assign'])) { |
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| 213 | $smarty->assign($params['assign'],$content); |
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| 214 | } else { |
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| 215 | return $content; |
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| 216 | } |
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| 217 | } |
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| 218 | |||
| 219 | /* vim: set expandtab: */ |
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| 220 | |||
| 221 | ?> |